Não informado. (1978). ITE Journal. Institute of Transportation Engineers.
Chicago (17e ed.) BronvermeldingNão informado. ITE Journal. Washington: Institute of Transportation Engineers, 1978.
MLA (8e ed.) BronvermeldingNão informado. ITE Journal. Institute of Transportation Engineers, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.